30096

Appears in sequences

• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite WEI = Weinebeneite Ca4[Be12P8O32(OH)8].16H2O starting from a T2 atom.at n=14A019263
• Expansion of 1/(1 - 4*x + 2*x^2 + 4*x^3 - 2*x^4).at n=9A027831
• a(1) = 6; a(n) is the smallest multiple of a(n-1) that contains all the digits of a(n-1) and is not a multiple of 10.at n=3A077704
• a(1) =6, a(n) = smallest multiple of a(n-1) (not equal to 10^k*a(n-1)) obtained by inserting digits anywhere in a(n-1).at n=3A080491
• a(n) = (5*n+1)*(5*n+6).at n=34A085025
• a(n)= det[A000522(i+j+1)], i,j=0...n, is the Hankel determinant of order n+1 of the arrangements numbers, s. A000522; a(n) = product( (p!)^2,p=0..n )*(n+1)!*LaguerreL(n+1,0,-1), n=0,1..., where LaguerreL(n,lambda,x) are generalized Laguerre polynomials; a(n)=A055209(n)*A002720(n+1);.at n=3A101799
• Numbers n with property that n+41, n^2+41 and n^3+41 are all primes.at n=16A175260
• Number of (n+1)X4 binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums.at n=3A188305
• Number of (n+1)X5 binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums.at n=2A188306
• T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums.at n=17A188311
• T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums.at n=18A188311
• a(n) = A192384(n)/2.at n=9A192385
• Triangle of coefficients of polynomials v(n,x) jointly generated with A209160; see the Formula section.at n=53A209161
• Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and 2w+x+y>2.at n=20A211619
• Minimal sum s of n distinct squares such that s is divisible by n.at n=43A215574
• Numbers k such that (197*10^k - 11)/3 is prime.at n=19A294378
• Least number k such that n divides gcd(sigma(k), phi(k), tau(k)).at n=29A307640
• The sum of the sizes (positions) of fixed points over all compositions of n.at n=14A335714
• Irregular triangle T read by rows: T(n, k) is the number of n-th order magic triangles with magic constant equal to A285009(n) + k, with 0 < k <= 3*n - 5.at n=40A342384
• Irregular triangle T read by rows: T(n, k) is the number of n-th order magic triangles with magic constant equal to A285009(n) + k, with 0 < k <= 3*n - 5.at n=45A342384